Finding the Fourth Proportional to 1,008,294.25, 1,391,428.17 and 549,411.99
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Solution
The fourth proportional to 1,008,294.25, 1,391,428.17 and 549,411.99 is: 758,178.80
Step by Step Solution
- Step 1: Write the proportion equation
1,008,294.25 : 1,391,428.17 = 549,411.99 : x - Step 2: Convert to fraction form
1,008,294.25/1,391,428.17 = 549,411.99/x - Step 3: Cross multiply
1,008,294.25x = 1,391,428.17 × 549,411.99 - Step 4: Simplify right side
1,008,294.25x = 764,467,319,821.76 - Step 5: Solve for x
x = 764,467,319,821.76/1,008,294.25 - Step 6: Final answer
x = 758,178.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.